Definition of lustrate in English:

lustrate

verb

[WITH OBJECT]rare
  • Purify by expiatory sacrifice, ceremonial washing, or some other ritual action.

    ‘a soul lustrated in the baptismal waters’
    purge, cleanse, clear, free, unburden, deliver, relieve
    View synonyms

Origin

Early 17th century: from Latin lustrat- purified by lustral rites from the verb lustrare, from lustrum (see lustrum).

Pronunciation:

lustrate

/ˈləstrāt/